> On Mar 9, 2016, at 6:52 PM, Heitor Faria <hei...@bacula.com.br> wrote: > > I have a copy to tape job which copies from disk to tape using Bacula 7.4.0 > and PostgreSQL 9.4 on FreeBSD 10.2 > > Everything is within one SD > > Full details at https://gist.github.com/dlangille/2341a6da8f9ee836270c > > The job summary: > > Start time: 09-Mar-2016 19:41:54 > End time: 09-Mar-2016 20:51:02 > Elapsed time: 1 hour 9 mins 8 secs > Priority: 410 > SD Files Written: 1 > SD Bytes Written: 52,897,660,928 (52.89 GB) > Rate: 12752.6 KB/s > > If I tar the volumes directly to tape, it takes only 16 minutes. > > > $ time sudo tar -cf /dev/nsa1 IncrAuto-4525 IncrAuto-4320 IncrAuto-4324 > IncrAuto-4321 \ > > IncrAuto-4055 IncrAuto-4322 IncrAuto-4319 IncrAuto-3969 IncrAuto-3972 \ > > IncrAuto-3973 IncrAuto-3971 IncrAuto-4058 > > real 15m47.508s > user 0m5.844s > sys 1m51.834s > > Spooling attributes is trivial: > > 09-Mar 20:51 crey-sd JobId 232945: Sending spooled attrs to the Director. > Despooling 321 bytes ... > 09-Mar 20:51 bacula-dir JobId 232944: Bacula bacula-dir 7.4.0 (16Jan16): > > I am not sure where to look to figure this out. > Hello, Dan: maybe there is nothing to figure it out. Packing volumes with tar > directly to tapes makes you unable to restore a single file or even a single > job (with bootstrap) from an entire tape. I think it's a trade-off.
I have no desire to use tar. I have a desire to effectively use an LTO tape drive. -- Dan Langille - BSDCan / PGCon d...@langille.org
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